Metra 82-3005 6" to 6-3/4" Speaker Adapter for Select GM Trucks/Chevy Malibu 2014-Up Speaker Adapter Made specifically for 6"-6 3/4" speakers Made from high grade materials for a long lasting secure fit Factory style finishes Color: Black Applications - Chevrolet : Malibu 2016-up / Silverado 1500 2014-up / Silverado 2500 2015-up / Silverado 3500 2015-up GMC : Sierra 1500 2014-up / Sierra 2500 2015-up / Sierra 3500 2015-up